Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2007-06-14
Phys.Rev.Lett.99:022505,2007
Physics
Nuclear Physics
Nuclear Experiment
10 pages, 5 figures, v2: fix of small typos
Scientific paper
10.1103/PhysRevLett.99.022505
A high-statistics measurement of bremsstrahlung emitted in the alpha decay of 210Po has been performed, which allows to follow the photon spectra up to energies of ~ 500 keV. The measured differential emission probability is in good agreement with our theoretical results obtained within the quasi classical approximation as well as with the exact quantum mechanical calculation. It is shown that due to the small effective electric dipole charge of the radiating system a significant interference between the electric dipole and quadrupole contributions occurs, which is altering substantially the angular correlation between the alpha particle and the emitted photon.
Boie H.
Jentschura Ulrich D.
Köck F.
Lauer Mark
Milstein Alexander I.
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